if (x-2) is a factor of x3-2x2-px-2 find the value of p hence factorise the expression completely.. please give the answer its important
Answers
Answered by
0
Step-by-step explanation:
x-2
x-2=O
x=2
p(x)= x3-2x2-px-2
p(2)= (2)^3 - 2(2)^2 -p(2)-2
8-8-2p-2
-2p-2 =0 ( here 0 stands for remainder)
-2p=2
Therefore p =1
Similar questions